CN105463593A - Electrostatic spinning device and method for preparing skin core single fiber - Google Patents
Electrostatic spinning device and method for preparing skin core single fiber Download PDFInfo
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- CN105463593A CN105463593A CN201610006421.4A CN201610006421A CN105463593A CN 105463593 A CN105463593 A CN 105463593A CN 201610006421 A CN201610006421 A CN 201610006421A CN 105463593 A CN105463593 A CN 105463593A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
Abstract
The invention provides an electrostatic spinning device and method for preparing a skin core single fiber. The electrostatic spinning device for preparing the skin core single fiber is characterized by comprising a propelling device, a high-pressure generator and a receiving device; the receiving device comprises a metal wire and a funnel capable of rotating with the metal wire as the axis; the propelling device comprises a needle, and the positive electrode and the negative electrode of the high-pressure generator are connected with the needle and the metal wire. The electrostatic spinning device and method mainly aim at changing the receiving device at the negative electrode receiving end into the metal wire connected with the negative electrode, meanwhile, a coaxial funnel type auxiliary receiving device with certain specification is erected on the periphery of the receiving device, other parameters in the electrostatic spinning process are adjusted, the skin core single fiber with the metal wire as the core layer and a polymer nano-fiber as the skin layer is prepared, and good application prospects are achieved on the aspects of filtration, catalysis, energy conversion, drug loading and the like.
Description
Technical field
The present invention relates to one and prepare the filamentary electrostatic spinning device of core-skin.
Background technology
Method of electrostatic spinning is the common methods preparing polymer nanofiber, there is equipment simple, be easy to operation and the advantage such as gained fiber is stable, general electrostatic spinning device is extruded from thinner needle tubing with certain speed polymer solution or melt, electrostatic force makes spinning solution form taylor cone, fiber is from the injection of taylor cone top, and in jet, solvent volatilizees in flight course, thus accepts nanofiber collected by pole plate at negative pole.
Generally, the pole plate that accepts of negative pole is metallic plate perpendicular to jet, there is the roller of certain rotating speed, or Liquid acquisition pole, simultaneously generally to set receiving range longer for traditional Static Spinning, to make spinning solution have time enough to solidify, like this because Static Spinning jet exists unstable disturbance, make the nanofiber of final gained with unordered or have certain orientation nonwoven felt form exist, greatly limit the Application Areas of nanofiber.
Summary of the invention
The object of this invention is to provide one and prepare the filamentary electrostatic spinning device of core-skin.
In order to achieve the above object, the invention provides one and prepare the filamentary electrostatic spinning device of core-skin, it is characterized in that, comprise propulsion plant, high pressure generator and receiving system, described receiving system comprises wire and can be the funnel that axle center rotates with wire, described propulsion plant comprises syringe needle, and the both positive and negative polarity of described high pressure generator is connected with described syringe needle and wire respectively.
Preferably, described propulsion plant also comprises teflon catheter and boost pump, described teflon catheter and syringe needle form syringe, and be provided with spinning solution in described syringe, described boost pump is for controlling the extruded velocity of spinning solution in described syringe; Described receiving system also comprises withdrawal roller, motor, belt and take up roll, one end wiry is fixed on withdrawal roller, the other end is fixed on take up roll, and wire is through described funnel, and motor is that axle center rotates by the funnel described in belt drive with wire.
More preferably, described receiving system also comprises for ensureing that fiber arranges evenly in take up roll, avoids the traversing gear be mutually wound around.
Preferably, described voltage generator can produce the voltage of 0 ~ 50kV.
Preferably, described syringe needle is fixed on one up and down on adjustable arc-spark stand.
Preferably, the distance between described syringe needle end and wire is between 5 ~ 300mm.
Preferably, described syringe needle is vertical with wire to be arranged.
Preferably, the specification of described syringe is 5 ~ 20ml.
Preferably, described diameter wiry is 0.05 ~ 1mm.
Preferably, the maximum gauge of described funnel is 5 ~ 30cm.
Present invention also offers one and prepare the filamentary Static Spinning method of core-skin, adopt and above-mentioned prepare the filamentary electrostatic spinning device of core-skin, it is characterized in that, comprise: extract spinning solution with syringe, by boost pump with certain extruded velocity by solution extruding-injection device, the electrostatic force that the spinning solution be extruded produces by high pressure generator forms jet, wire in directive receiving system and take wire as the edge of the funnel that axle center rotates, by the rotation of take up roll and withdrawal roller, continuous seepage core-skin filament.
Preferably, described extruded velocity is 0.01 ~ 5ml/h.
Preferably, the mass fraction of described spinning solution is 6 ~ 20%.
Preferably, the rotating speed of described funnel is 1 ~ 2000rpm.
Preferably, the winding speed of described take up roll is 1 ~ 1000mm/min.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is mainly through changing the receiving system of negative pole receiving terminal, receiving device is changed into a wire be connected with negative pole, the funnel type simultaneously having set up a coaxial certain specification in its extension assists receiving device, again by other parameters in adjustment Static Spinning process, having prepared one is sandwich layer with wire, take polymer nanofiber as the core-skin filament of cortex, in filtration, catalysis, power conversion, drug loading etc., have good application prospect.
Accompanying drawing explanation
Fig. 1 is for preparing the filamentary electrostatic spinning device schematic diagram of core-skin, and (Fig. 1 a) and top view (Fig. 1 b) to comprise front view.
Fig. 2 is the filamentary electron micrograph of gained in embodiment 1.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
As shown in Figure 1, one prepares the filamentary electrostatic spinning device of core-skin, comprise propulsion plant, high pressure generator and receiving system, polymer dope constant speed pushes by described propulsion plant primary responsibility, described propulsion plant comprises syringe needle 6, described propulsion plant also comprises teflon catheter and boost pump, described teflon catheter and syringe needle 6 form syringe, be provided with polymer dope in described syringe, described boost pump is for controlling the extruded velocity of spinning solution in described syringe.Described receiving system primary responsibility is to the formation assembly working of the reception of polymer nanofiber and skin-core structure, it funnel 5 comprising wire 2 and can rotate for axle center with wire 2, described receiving system also comprises withdrawal roller 1, motor 4, belt 3 and take up roll 7, one end of wire 2 is fixed on withdrawal roller 1, the other end is fixed on take up roll 7, wire 2 is through described funnel 5, and motor 4 drives described funnel 5 with wire 2 for axle center rotates by belt 3.Described receiving system also comprises for ensureing that fiber arranges evenly in take up roll, avoids the traversing gear be mutually wound around.Funnel 5 controls its rotating speed by motor 4, and the funnel 5 of different size can carry out the rotating speed that changes to ensure funnel 5 and solution can well be coordinated, and take up roll 7 and withdrawal roller 1 can ensure the continuous seepage of biconstituent filaments.The both positive and negative polarity of described high pressure generator is connected with described syringe needle 6 and wire 2 respectively.Described syringe needle 6 is vertical with wire 2 to be arranged.
Described voltage generator can produce the voltage of 0 ~ 50kV.Described syringe needle 6 is fixed on one up and down on adjustable arc-spark stand.Distance between described syringe needle 6 end and wire 2 is between 10cm.Described syringe needle 6 end and the horizontal range of funnel 5 are set as 6cm, and the specification of described syringe is 5ml.The diameter of described wire 2 is 0.4mm.The maximum gauge of described funnel 5 is 9cm.
The above-mentioned filamentary electrostatic spinning device of core-skin of preparing is adopted to prepare the filamentary Static Spinning method of core-skin, concrete steps are: spinning solution is the Kynoar/DMF solution of 10%, 5ml spinning solution is extracted with syringe, by boost pump with the extruded velocity of 1ml/h by solution extruding-injection device, the electrostatic force that the spinning solution be extruded produces by high pressure generator forms jet, wire 2 in directive receiving system and the edge of funnel 5 rotated for axle center with wire 2, voltage generator output voltage is set to 15kV, the rotating speed of funnel 5 is 100rpm, the winding speed of take up roll is 6m/min, by the rotation of take up roll and withdrawal roller, continuous seepage core-skin filament.
Obtain uniform skin-core structure biconstituent filaments, fibrocortex thickness is about 0.1mm, fit between nanofiber tightr, known from electron micrograph (Fig. 2), polymer nanofiber parcel compacts closely knit, polymer nanofiber thickness is comparatively even, high along the wire axially-aligned degree of orientation, and substantially no twist.
Embodiment 2
As shown in Figure 1, one prepares the filamentary electrostatic spinning device of core-skin, comprise propulsion plant, high pressure generator and receiving system, polymer dope constant speed pushes by described propulsion plant primary responsibility, described propulsion plant comprises syringe needle 6, described propulsion plant also comprises teflon catheter and boost pump, described teflon catheter and syringe needle 6 form syringe, be provided with polymer dope in described syringe, described boost pump is for controlling the extruded velocity of spinning solution in described syringe.Described receiving system primary responsibility is to the formation assembly working of the reception of polymer nanofiber and skin-core structure, it funnel 5 comprising wire 2 and can rotate for axle center with wire 2, described receiving system also comprises withdrawal roller 1, motor 4, belt 3 and take up roll 7, one end of wire 2 is fixed on withdrawal roller 1, the other end is fixed on take up roll 7, wire 2 is through described funnel 5, and motor 4 drives described funnel 5 with wire 2 for axle center rotates by belt 3.Described receiving system also comprises for ensureing that fiber arranges evenly in take up roll, avoids the traversing gear be mutually wound around.Funnel 5 controls its rotating speed by motor 4, and the funnel 5 of different size can carry out the rotating speed that changes to ensure funnel 5 and solution can well be coordinated, and take up roll 7 and withdrawal roller 1 can ensure the continuous seepage of biconstituent filaments.The both positive and negative polarity of described high pressure generator is connected with described syringe needle 6 and wire 2 respectively.Described syringe needle 6 is vertical with wire 2 to be arranged.
Described voltage generator can produce the voltage of 0 ~ 50kV.Described syringe needle 6 is fixed on one up and down on adjustable arc-spark stand.Distance between described syringe needle 6 end and wire 2 is between 10cm.Described syringe needle 6 end and the horizontal range of funnel 5 are set as 6cm, and the specification of described syringe is 5ml.The diameter of described wire 2 is 0.4mm.The maximum gauge of described funnel 5 is 15cm.
The above-mentioned filamentary electrostatic spinning device of core-skin of preparing is adopted to prepare the filamentary Static Spinning method of core-skin, concrete steps are: spinning solution is the Kynoar/DMF solution of 10%, 5ml spinning solution is extracted with syringe, by boost pump with the extruded velocity of 2ml/h by solution extruding-injection device, the electrostatic force that the spinning solution be extruded produces by high pressure generator forms jet, wire 2 in directive receiving system and the edge of funnel 5 rotated for axle center with wire 2, voltage generator output voltage is set to 8kV, the rotating speed of funnel 5 is 200rpm, the winding speed of take up roll is 3m/min, by the rotation of take up roll and withdrawal roller, continuous seepage core-skin filament.
Obtain uniform skin-core structure biconstituent filaments, fibrocortex thickness is about 0.2mm, and fit between nanofiber very tight, polymer nanofiber parcel compacts closely knit, and polymer nanofiber thickness is comparatively even, high along the wire axially-aligned degree of orientation.
Embodiment 3
As shown in Figure 1, one prepares the filamentary electrostatic spinning device of core-skin, comprise propulsion plant, high pressure generator and receiving system, polymer dope constant speed pushes by described propulsion plant primary responsibility, described propulsion plant comprises syringe needle 6, described propulsion plant also comprises teflon catheter and boost pump, described teflon catheter and syringe needle 6 form syringe, be provided with polymer dope in described syringe, described boost pump is for controlling the extruded velocity of spinning solution in described syringe.Described receiving system primary responsibility is to the formation assembly working of the reception of polymer nanofiber and skin-core structure, it funnel 5 comprising wire 2 and can rotate for axle center with wire 2, described receiving system also comprises withdrawal roller 1, motor 4, belt 3 and take up roll 7, one end of wire 2 is fixed on withdrawal roller 1, the other end is fixed on take up roll 7, wire 2 is through described funnel 5, and motor 4 drives described funnel 5 with wire 2 for axle center rotates by belt 3.Described receiving system also comprises for ensureing that fiber arranges evenly in take up roll, avoids the traversing gear be mutually wound around.Funnel 5 controls its rotating speed by motor 4, and the funnel 5 of different size can carry out the rotating speed that changes to ensure funnel 5 and solution can well be coordinated, and take up roll 7 and withdrawal roller 1 can ensure the continuous seepage of biconstituent filaments.The both positive and negative polarity of described high pressure generator is connected with described syringe needle 6 and wire 2 respectively.Described syringe needle 6 is vertical with wire 2 to be arranged.
Described voltage generator can produce the voltage of 0 ~ 50kV.Described syringe needle 6 is fixed on one up and down on adjustable arc-spark stand.Distance between described syringe needle 6 end and wire 2 is between 10cm.Described syringe needle 6 end and the horizontal range of funnel 5 are set as 6cm, and the specification of described syringe is 5ml.The diameter of described wire 2 is 1mm.The maximum gauge of described funnel 5 is 15cm.
The above-mentioned filamentary electrostatic spinning device of core-skin of preparing is adopted to prepare the filamentary Static Spinning method of core-skin, concrete steps are: spinning solution is the Kynoar/DMF solution of 12%, 5ml spinning solution is extracted with syringe, by boost pump with the extruded velocity of 2.5ml/h by solution extruding-injection device, the electrostatic force that the spinning solution be extruded produces by high pressure generator forms jet, wire 2 in directive receiving system and the edge of funnel 5 rotated for axle center with wire 2, voltage generator output voltage is set to 15kV, the rotating speed of funnel 5 is 400rpm, the winding speed of take up roll is 3m/min, by the rotation of take up roll and withdrawal roller, continuous seepage core-skin filament.
Obtain uniform skin-core structure biconstituent filaments, fibrocortex thickness is about 0.4mm, and fit between nanofiber very tight, polymer nanofiber parcel compacts closely knit, and polymer nanofiber thickness is comparatively even, high along the wire axially-aligned degree of orientation.
Embodiment 4
As shown in Figure 1, one prepares the filamentary electrostatic spinning device of core-skin, comprise propulsion plant, high pressure generator and receiving system, polymer dope constant speed pushes by described propulsion plant primary responsibility, described propulsion plant comprises syringe needle 6, described propulsion plant also comprises teflon catheter and boost pump, described teflon catheter and syringe needle 6 form syringe, be provided with polymer dope in described syringe, described boost pump is for controlling the extruded velocity of spinning solution in described syringe.Described receiving system primary responsibility is to the formation assembly working of the reception of polymer nanofiber and skin-core structure, it funnel 5 comprising wire 2 and can rotate for axle center with wire 2, described receiving system also comprises withdrawal roller 1, motor 4, belt 3 and take up roll 7, one end of wire 2 is fixed on withdrawal roller 1, the other end is fixed on take up roll 7, wire 2 is through described funnel 5, and motor 4 drives described funnel 5 with wire 2 for axle center rotates by belt 3.Described receiving system also comprises for ensureing that fiber arranges evenly in take up roll, avoids the traversing gear be mutually wound around.Funnel 5 controls its rotating speed by motor 4, and the funnel 5 of different size can carry out the rotating speed that changes to ensure funnel 5 and solution can well be coordinated, and take up roll 7 and withdrawal roller 1 can ensure the continuous seepage of biconstituent filaments.The both positive and negative polarity of described high pressure generator is connected with described syringe needle 6 and wire 2 respectively.Described syringe needle 6 is vertical with wire 2 to be arranged.
Described voltage generator can produce the voltage of 0 ~ 50kV.Described syringe needle 6 is fixed on one up and down on adjustable arc-spark stand.Distance between described syringe needle 6 end and wire 2 is between 10cm.Described syringe needle 6 end and the horizontal range of funnel 5 are set as 6cm, and the specification of described syringe is 5ml.The diameter of described wire 2 is 1mm.The maximum gauge of described funnel 5 is 15cm.
The above-mentioned filamentary electrostatic spinning device of core-skin of preparing is adopted to prepare the filamentary Static Spinning method of core-skin, concrete steps are: spinning solution is the Kynoar/DMF solution of 12%, 5ml spinning solution is extracted with syringe, by boost pump with the extruded velocity of 2.5ml/h by solution extruding-injection device, the electrostatic force that the spinning solution be extruded produces by high pressure generator forms jet, wire 2 in directive receiving system and the edge of funnel 5 rotated for axle center with wire 2, voltage generator output voltage is set to 15kV, the rotating speed of funnel 5 is 800rpm, the winding speed of take up roll is 3m/min, by the rotation of take up roll and withdrawal roller, continuous seepage core-skin filament.
Obtain uniform skin-core structure biconstituent filaments, fibrocortex thickness is about 0.3mm, fit between nanofiber very tight, polymer nanofiber parcel compacts closely knit, polymer nanofiber thickness is more even, high along the wire axially-aligned degree of orientation, nanofiber has certain twist simultaneously.
Embodiment 5
As shown in Figure 1, one prepares the filamentary electrostatic spinning device of core-skin, comprise propulsion plant, high pressure generator and receiving system, polymer dope constant speed pushes by described propulsion plant primary responsibility, described propulsion plant comprises syringe needle 6, described propulsion plant also comprises teflon catheter and boost pump, described teflon catheter and syringe needle 6 form syringe, be provided with polymer dope in described syringe, described boost pump is for controlling the extruded velocity of spinning solution in described syringe.Described receiving system primary responsibility is to the formation assembly working of the reception of polymer nanofiber and skin-core structure, it funnel 5 comprising wire 2 and can rotate for axle center with wire 2, described receiving system also comprises withdrawal roller 1, motor 4, belt 3 and take up roll 7, one end of wire 2 is fixed on withdrawal roller 1, the other end is fixed on take up roll 7, wire 2 is through described funnel 5, and motor 4 drives described funnel 5 with wire 2 for axle center rotates by belt 3.Described receiving system also comprises for ensureing that fiber arranges evenly in take up roll, avoids the traversing gear be mutually wound around.Funnel 5 controls its rotating speed by motor 4, and the funnel 5 of different size can carry out the rotating speed that changes to ensure funnel 5 and solution can well be coordinated, and take up roll 7 and withdrawal roller 1 can ensure the continuous seepage of biconstituent filaments.The both positive and negative polarity of described high pressure generator is connected with described syringe needle 6 and wire 2 respectively.Described syringe needle 6 is vertical with wire 2 to be arranged.
Described voltage generator can produce the voltage of 0 ~ 50kV.Described syringe needle 6 is fixed on one up and down on adjustable arc-spark stand.Distance between described syringe needle 6 end and wire 2 is between 10cm.Described syringe needle 6 end and the horizontal range of funnel 5 are set as 6cm, and the specification of described syringe is 5ml.The diameter of described wire 2 is 0.4mm.The maximum gauge of described funnel 5 is 15cm.
Adopt the above-mentioned filamentary electrostatic spinning device of core-skin of preparing to prepare the filamentary Static Spinning method of core-skin, concrete steps are: spinning solution is the PHBV/CHCl of 8%
3solution, 5ml spinning solution is extracted with syringe, by boost pump with the extruded velocity of 2ml/h by solution extruding-injection device, the electrostatic force that the spinning solution be extruded produces by high pressure generator forms jet, the wire 2 in directive receiving system and the edge of funnel 5 rotated for axle center with wire 2, and voltage generator output voltage is set to 8kV, the rotating speed of funnel 5 is 200rpm, the winding speed of take up roll is 3m/min, by the rotation of take up roll and withdrawal roller, and continuous seepage core-skin filament.
Obtain uniform skin-core structure biconstituent filaments, fibrocortex thickness is about 0.5mm, fit between nanofiber more fluffy, polymer nanofiber parcel loosely, form the polymer nanofiber cortex that space is contained in a centre with loose structure, polymer nanofiber thickness is comparatively even, axially has certain degree of orientation along wire.
Embodiment 6
As shown in Figure 1, one prepares the filamentary electrostatic spinning device of core-skin, comprise propulsion plant, high pressure generator and receiving system, polymer dope constant speed pushes by described propulsion plant primary responsibility, described propulsion plant comprises syringe needle 6, described propulsion plant also comprises teflon catheter and boost pump, described teflon catheter and syringe needle 6 form syringe, be provided with polymer dope in described syringe, described boost pump is for controlling the extruded velocity of spinning solution in described syringe.Described receiving system primary responsibility is to the formation assembly working of the reception of polymer nanofiber and skin-core structure, it funnel 5 comprising wire 2 and can rotate for axle center with wire 2, described receiving system also comprises withdrawal roller 1, motor 4, belt 3 and take up roll 7, one end of wire 2 is fixed on withdrawal roller 1, the other end is fixed on take up roll 7, wire 2 is through described funnel 5, and motor 4 drives described funnel 5 with wire 2 for axle center rotates by belt 3.Described receiving system also comprises for ensureing that fiber arranges evenly in take up roll, avoids the traversing gear be mutually wound around.Funnel 5 controls its rotating speed by motor 4, and the funnel 5 of different size can carry out the rotating speed that changes to ensure funnel 5 and solution can well be coordinated, and take up roll 7 and withdrawal roller 1 can ensure the continuous seepage of biconstituent filaments.The both positive and negative polarity of described high pressure generator is connected with described syringe needle 6 and wire 2 respectively.Described syringe needle 6 is vertical with wire 2 to be arranged.
Described voltage generator can produce the voltage of 0 ~ 50kV.Described syringe needle 6 is fixed on one up and down on adjustable arc-spark stand.Distance between described syringe needle 6 end and wire 2 is between 10cm.Described syringe needle 6 end and the horizontal range of funnel 5 are set as 6cm, and the specification of described syringe is 5ml.The diameter of described wire 2 is 0.4mm.The maximum gauge of described funnel 5 is 15cm.
Adopt the above-mentioned filamentary electrostatic spinning device of core-skin of preparing to prepare the filamentary Static Spinning method of core-skin, concrete steps are: spinning solution is the PHBV/CHCl of 8%
3solution, 5ml spinning solution is extracted with syringe, by boost pump with the extruded velocity of 1ml/h by solution extruding-injection device, the electrostatic force that the spinning solution be extruded produces by high pressure generator forms jet, the wire 2 in directive receiving system and the edge of funnel 5 rotated for axle center with wire 2, and voltage generator output voltage is set to 10kV, the rotating speed of funnel 5 is 200rpm, the winding speed of take up roll is 3m/min, by the rotation of take up roll and withdrawal roller, and continuous seepage core-skin filament.
Obtain uniform skin-core structure biconstituent filaments, fibrocortex thickness is about 0.6mm, fit between nanofiber more fluffy, polymer nanofiber parcel loosely, form the polymer nanofiber cortex that space is contained in a centre with loose structure, polymer nanofiber thickness is comparatively even, axially has certain degree of orientation along wire.
Claims (10)
1. prepare the filamentary electrostatic spinning device of core-skin for one kind, it is characterized in that, comprise propulsion plant, high pressure generator and receiving system, the funnel (5) that described receiving system comprises wire (2) and can rotate for axle center with wire (2), described propulsion plant comprises syringe needle (6), and the both positive and negative polarity of described high pressure generator is connected with described syringe needle (6) and wire (2) respectively.
2. prepare the filamentary electrostatic spinning device of core-skin as claimed in claim 1, it is characterized in that, described propulsion plant also comprises teflon catheter and boost pump, described teflon catheter and syringe needle (6) form syringe, be provided with spinning solution in described syringe, described boost pump is for controlling the extruded velocity of spinning solution in described syringe; Described receiving system also comprises withdrawal roller (1), motor (4), belt (3) and take up roll (7), one end of wire (2) is fixed on withdrawal roller (1), the other end is fixed on take up roll (7), wire (2) through described funnel (5), motor (4) by belt (3) drive described in funnel (5) with wire (2) for axle center rotate.
3. prepare the filamentary electrostatic spinning device of core-skin as claimed in claim 2, it is characterized in that, described receiving system also comprises for ensureing that fiber arranges evenly in take up roll, avoids the traversing gear be mutually wound around.
4. prepare the filamentary electrostatic spinning device of core-skin as claimed in claim 1, it is characterized in that, described voltage generator can produce the voltage of 0 ~ 50kV.
5. prepare the filamentary electrostatic spinning device of core-skin as claimed in claim 1, it is characterized in that, described syringe needle (6) is fixed on one up and down on adjustable arc-spark stand.
6. prepare the filamentary electrostatic spinning device of core-skin as claimed in claim 1, it is characterized in that, the distance between described syringe needle (6) end and wire (2) is between 5 ~ 300mm.
7. prepare the filamentary electrostatic spinning device of core-skin as claimed in claim 1, it is characterized in that, described syringe needle (6) is vertical with wire (2) to be arranged.
8. prepare the filamentary electrostatic spinning device of core-skin as claimed in claim 1, it is characterized in that, the diameter of described wire (2) is 0.05 ~ 1mm.
9. prepare the filamentary electrostatic spinning device of core-skin as claimed in claim 1, it is characterized in that, the maximum gauge of described funnel (5) is 5 ~ 30cm.
10. prepare the filamentary Static Spinning method of core-skin for one kind, adopt and prepare the filamentary electrostatic spinning device of core-skin according to any one of claim 1-9, it is characterized in that, comprise: extract spinning solution with syringe, by boost pump with certain extruded velocity by solution extruding-injection device, the electrostatic force that the spinning solution be extruded produces by high pressure generator forms jet, wire (2) in directive receiving system and the edge of funnel (5) rotated for axle center with wire (2), by the rotation of take up roll and withdrawal roller, continuous seepage core-skin filament.
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| CN201610006421.4A CN105463593A (en) | 2016-01-06 | 2016-01-06 | Electrostatic spinning device and method for preparing skin core single fiber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671685A (en) * | 2016-01-18 | 2016-06-15 | 东华大学 | Electrospinning skin-core single fiber with axially equivalent piezoelectric property as well as preparation method and application thereof |
| CN112899819A (en) * | 2021-01-22 | 2021-06-04 | 五邑大学 | Fiber of polyurethane composite copper wire and preparation method thereof |
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| WO2006129910A1 (en) * | 2005-05-02 | 2006-12-07 | Industrial Cooperation Foundation Chonbuk National University | Procede de fabrication d’un filament continu par electro-filage et filament continu fabrique de cette maniere |
| CN104032423A (en) * | 2014-06-20 | 2014-09-10 | 东华大学 | Nano-fiber covering yarn electrostatic spinning device and application thereof |
| CN104278345A (en) * | 2014-09-26 | 2015-01-14 | 东华大学 | Electrospinning device and method for production of skin-core structured composite single fiber |
| CN104593880A (en) * | 2015-01-15 | 2015-05-06 | 东华大学 | Electrostatic spinning device for producing polymer nano fibers in batches |
| CN104790064A (en) * | 2015-04-10 | 2015-07-22 | 东华大学 | Piezoelectric polymer/metal composite nano-filament and preparation method thereof |
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| CN105671685A (en) * | 2016-01-18 | 2016-06-15 | 东华大学 | Electrospinning skin-core single fiber with axially equivalent piezoelectric property as well as preparation method and application thereof |
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